99580447 has 2 divisors, whose sum is σ = 99580448. Its totient is φ = 99580446.

The previous prime is 99580433. The next prime is 99580469. The reversal of 99580447 is 74408599.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99580447 - 2¹¹ = 99578399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99580397 and 99580406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99580147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49790223 + 49790224.

It is an arithmetic number, because the mean of its divisors is an integer number (49790224).

Almost surely, 2^99580447 is an apocalyptic number.

99580447 is a deficient number, since it is larger than the sum of its proper divisors (1).

99580447 is an equidigital number, since it uses as much as digits as its factorization.

99580447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 99580447 is about 9979.0003006313. Note that the first 3 decimals coincide. The cubic root of 99580447 is about 463.5088425834.

The spelling of 99580447 in words is "ninety-nine million, five hundred eighty thousand, four hundred forty-seven".